Plant Parasites of Europe

leafminers, galls and fungi

genus Koeleria

organ parasitic mode stage note taxonomic group parasite
leaf leaf spot Mycosphaerellaceae Septoria calamagrostidis
leaf leaf spot Mycosphaerellaceae Graminopassalora graminis
leaf leaf spot Ploettnerulaceae Oculimacula yallundae
root collar scale Coccidae Lecanopsis formicarum
fruit vagrant Lygaeidae Nysius thymi
leaf vagrant Miridae Trigonotylus caelestialium
root collar vagrant Cydnidae Ochetostethus nanus
leaf vagrant Rhopalidae Chorosoma schillingii
root vagrant Cydnidae Byrsinus flavicornis
root vagrant Cydnidae Ochetostethus opacus
leaf vagrant Miridae Acetropis carinata
root scale Rhizoecidae Rhizoecus tritici
scale Pseudococcidae Peliococcus phyllobius
root vagrant Cerambycidae Iberodorcadion fuliginator
root vagrant Cerambycidae Iberodorcadion isernii
root vagrant Cerambycidae Iberodorcadion aguadoi
root vagrant Cerambycidae Iberodorcadion graellsii
leaf vagrant Cicadellidae Zyginidia viaduensis
leaf vagrant Aphrophoridae Neophilaenus minor
leaf vagrant doubtful Cicadellidae Psammotettix angulatus
stem borer Chloropidae Oscinimorpha koeleriae
stem scale Eriococcidae Greenisca glyceriae
root scale Eriococcidae Rhizococcus gnidii
leaf scale Eriococcidae Acanthococcus greeni
leaf scale Eriococcidae Acanthococcus inermis
leaf scale Eriococcidae Acanthococcus insignis
leaf scale Eriococcidae Acanthococcus pseudinsignis
root scale Eriococcidae Acanthococcus cingulatus
leaf miner older larva Coleophoridae Coleophora ornatipennella
leaf miner older larva Coleophoridae Coleophora lixella
leaf vagrant Aphididae Israelaphis carmini
systemic borer Anguinidae Ditylenchus dipsaci
fruit gall Hypocreales Claviceps purpurea
fruit gall Tilletiales Tilletia controversa
flower gall Anguinidae Anguina agrostis
leaf down Erysiphales Erysiphaceae Blumeria graminis
leaf leaf spot Georgefischeriales Jamesdicksonia dactylidis
leaf film Ustilaginales Tranzscheliella hypodytes
leaf miner Elachistidae Elachista albifrontella
leaf miner Elachistidae Elachista argentella
leaf miner Elachistidae Elachista baltica
leaf miner Elachistidae Elachista herrichii
leaf miner Elachistidae Elachista ozeini
leaf pustule uredinia telia Pucciniales Puccinia coronata
leaf pustule uredinia telia Pucciniales Puccinia fragosoi
leaf pustule uredinia telia Pucciniales Puccinia graminis
leaf pustule uredinia telia Pucciniales Puccinia longissima
leaf pustule uredinia telia Pucciniales Puccinia scarlensis
leaf pustule uredinia telia Pucciniales Puccinia thalictri-koeleriae
leaf stripe Tilletiales Tilletia sterilis
leaf stripe Ustilaginales Ustilago striiformis
stem vagrant Aphididae Laingia psammae
root collar gall Eurytomidae Tetramesa schlechtendali

Organ

the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.

PARASITIC MODE

borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.

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IMPORTANT

The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.

 

Last modified 23.xii.2022